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Showing 1 to 3 of 3 for “"Picuris orogeny"”.
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The role of the Picuris orogeny in the tectonic evolution of Proterozoic North America
… orogenies, and the newly recognized ∼1.40 Ga Picuris orogeny. We address this question at local, regional, and continental scales using a variety of methods, including geochronology, structural analysis, and metamorphic petrology.</p> <p>Here we show that portions of New Mexico did not undergo …
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Proterozoic history of the Idaho Springs-Ralston shear zone: evidence for a widespread ca. 1.4 Ga orogenic event in central Colorado, The
… Ga is interpreted to be associated with the Picuris orogeny recognized in New Mexico, and the IRSZ is interpreted as a result of folding, rather than as a major reactivated suture zone.
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Bedrock and surficial geology of the southern half of the Montezuma 7.5' quadrangle, central Colorado Front Range, Colorado, USA
… last two decades, evidence for a Mesoproterozoic orogeny, the ~1.48 -1.35 Ga orogeny has been recognized in northern New Mexico and Arizona, and more recently in Colorado. Mesoproterozoic deformation and metamorphism based on metamorphic monazite growth between ~1.43 Ga and ~1.42 Ga has previously …